✅ To survey is to ask people about their opinions or experiences about a particular thing (They surveyed people to determine which ice cream flavor was the tastiest).

✅ To canvass means to solicit votes, opinions, or orders from a group of people (They canvassed the neighborhood to gain support for their favorite city council candidate).

✅ Both words can involve examining or collecting information.

✅ Survey is often used for observations and studies, while canvass is typically used in the context of elections or gathering opinions (They conducted a survey of customer satisfaction; They canvassed voters before the election).

✅ Ghost means the spirit of a dead person that is believed to appear to the living (She felt a chill and thought she saw a ghost).

✅ Wraith means a ghost or ghostlike image of someone, especially one seen shortly before or after their death (The wraith of the old man haunted the castle).

✅ Both words refer to supernatural apparitions of the dead.

✅ Ghosts are often tied to unfinished business or lingering emotions and can evoke a sense of mystery, fear, or melancholy. Wraiths have a more ominous and eerie reputation, often suggesting a darker, more foreboding presence. Wraiths are typically seen as more malevolent or haunting figures compared to general ghosts.

✅ A perceptive person has sensitive insight or understanding (The professor's perceptive comments revealed a deep understanding of the issue).

✅ A perspicacious person also has keen insight but goes a bit further to notice and understand things that are not always as obvious (The senator's perspicacious observations about the economy were impressive).

✅ Both words describe someone who is very good at noticing and understanding things.

✅ Perceptive often implies a general sensitivity to details and emotions, while perspicacious suggests a sharper, deeper insight, often with an intellectual or analytical focus.